﻿<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="web2012_11_21._Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >

<head runat="server">
    <title>无标题页</title>
    <script language="javascript" type="text/javascript">
    function x()
    {
       if(!isNaN(123))
       {
          alert("123");
       }
    }
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    <table>
    <tr>
    <td id="123">
    <asp:Button runat="server" ID="but"   OnClientClick="javacript:x()" />
    </td>
    </tr></table>
    </div>
    </form>
</body>
</html>
